20222112012 has 24 divisors (see below), whose sum is σ = 47431974912. Its totient is φ = 6705411600.

The previous prime is 20222111993. The next prime is 20222112089. The reversal of 20222112012 is 21021122202.

It is a junction number, because it is equal to n+sod(n) for n = 20222111982 and 20222112000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4409164 + ... + 4413747.

It is an arithmetic number, because the mean of its divisors is an integer number (1976332288).

Almost surely, 2^20222112012 is an apocalyptic number.

It is an amenable number.

20222112012 is an abundant number, since it is smaller than the sum of its proper divisors (27209862900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20222112012 is a wasteful number, since it uses less digits than its factorization.

20222112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823109 (or 8823107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20222112012 its reverse (21021122202), we get a palindrome (41243234214).

The spelling of 20222112012 in words is "twenty billion, two hundred twenty-two million, one hundred twelve thousand, twelve".